<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<script>
    let a = 1
    let b = 2
    let c = "xx"
    let d = "yy"
    let e = "1"
    //等于  不等于
    //等于  ==  ===是否恒等
    //两个=不会判断数据的类型
    //三个=会判断数据的类型

    console.log("a和e是否相等",a==e)
    console.log("a和e是否恒等",a===e)

    //大小判断
    console.log(a>b)
    console.log(a<b)
    console.log(c != d)
</script>
<body>

</body>
</html>